root/sys/ddb/db_command.h
/*      $OpenBSD: db_command.h,v 1.35 2022/04/14 19:47:12 naddy Exp $   */
/*      $NetBSD: db_command.h,v 1.8 1996/02/05 01:56:55 christos Exp $  */

/*
 * Mach Operating System
 * Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University
 * All Rights Reserved.
 *
 * Permission to use, copy, modify and distribute this software and its
 * documentation is hereby granted, provided that both the copyright
 * notice and this permission notice appear in all copies of the
 * software, derivative works or modified versions, and any portions
 * thereof, and that both notices appear in supporting documentation.
 *
 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
 *
 * Carnegie Mellon requests users of this software to return to
 *
 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
 *  School of Computer Science
 *  Carnegie Mellon University
 *  Pittsburgh PA 15213-3890
 *
 * any improvements or extensions that they make and grant Carnegie Mellon
 * the rights to redistribute these changes.
 *
 *      Author: David B. Golub, Carnegie Mellon University
 *      Date:   7/90
 */

/*
 * Command loop declarations.
 */
struct db_command;

void db_error(char *);
void db_skip_to_eol(void);
void db_command_loop(void);
void db_command(const struct db_command **, const struct db_command *);

extern  vaddr_t db_dot, db_last_addr, db_prev, db_next;

/*
 * Command table
 */
struct db_command {
        char            *name;          /* command name */
        /* function to call */
        void            (*fcn)(db_expr_t, int, db_expr_t, char *);
        int             flag;           /* extra info: */
#define CS_OWN          0x1             /* non-standard syntax */
#define CS_MORE         0x2             /* standard syntax, but may have other
                                           words at end */
#define CS_SET_DOT      0x100           /* set dot after command */
        const struct db_command *more;  /* another level of command */
};

#ifdef DB_MACHINE_COMMANDS
extern const struct db_command db_machine_command_table[];
#endif